Home / 19,736.03-27,236.04-11,782.91

Finding the Fourth Proportional to 19,736.03, 27,236.04 and 11,782.91

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Solution

The fourth proportional to 19,736.03, 27,236.04 and 11,782.91 is: 16,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.03 : 27,236.04 = 11,782.91 : x
  2. Step 2: Convert to fraction form
    19,736.03/27,236.04 = 11,782.91/x
  3. Step 3: Cross multiply
    19,736.03x = 27,236.04 × 11,782.91
  4. Step 4: Simplify right side
    19,736.03x = 320,919,808.08
  5. Step 5: Solve for x
    x = 320,919,808.08/19,736.03
  6. Step 6: Final answer
    x = 16,260.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.